"Focus" is a word in ENGLISH
A point so related to a conic section and certain straight
line called the directrix that the ratio of the distace between any
point of the curve and the focus to the distance of the same point from
the directrix is constant.
A central point; a point of concentration.
A point in which the rays of light meet, after being
reflected or refrcted, and at which the image is formed; as, the focus
of a lens or mirror.
To bring to a focus; to focalize; as, to focus a camera.
For the cause that lacks assistance The wrong that needs resistance For the future in the distance And the good that I can do.
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I haven't spoken to my wife for 18 months! - I don't like to interrupt her.
The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same …
Read the complete definitionTo draw or direct to a common center; to bring together at a focus or point, as two or more …
Read the complete definitiontending to one point of focus; tending to approach each other; converging.
Read the complete definitionTo converge to one point or focus, as light or rays.
Read the complete definitionA straight line so situated with respect to a conic section that the distance of any point of the curve …
Read the complete definitionBelonging to,or concerning, a focus; as, a focal point.
Read the complete definitionA curve formed by a section of a cone, when the cutting plane makes a greater angle with the base …
Read the complete definitionThe figure or picture of any object formed at the focus of a lens or mirror, by rays of light …
Read the complete definitionA kind of curve; one of the conic sections formed by the intersection of the surface of a cone with …
Read the complete definitionThe right line drawn through the two points of contact of the two tangents drawn from a given point to …
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